17
14
M870
15
13
12
16
Figure 19.
b. Remove two lockpins (16), one from each side of semitrailer gooseneck (17).
c.
Install two safety screws (15), nuts (14), safety locking pins (13), and safety clips (12) in lockpins (16) to
prevent loss.
NOTE
•
If semitrailer is M870, skip to Step (12).
•
If semitrailer is M870A1, continue with Step (11).
11. Remove two lockpins (16), one from each side of semitrailer gooseneck (17).
M870A1
17
16
Figure 20.
NOTE
Fifth wheel has two lock release handles.
12. Pull fifth wheel secondary lock release handle (18) completely out as far as it will go.
TB 9-2320-279-13&P-4
0012
0012-17